Balloon base



FIG. 1 is a perspective view of a balloon base showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof:

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an exploded view showing the balloon base with a plurality sets of balloon stick; and,

FIG. 9 is another perspective view showing the balloon base with the plurality sets of balloon stick installed thereon.

The broken line portions of the balloon base in FIGS. 1-9 represent unclaimed portions of the claimed design and form no part thereof. The broken lines of the plurality sets of balloon stick in FIGS. 8-9 illustrate unclaimed environment and forms no part of the claimed design. 

CLAIM The ornamental design for a balloon base, as shown and described. 